Better and more detailed error reporting
Revamp error handling (#43) * revamp error handling * diligently return JSON always * nameString, not name0 * tweak log levels * remove unnecessary extending in `BridgeError.Narrow` * info => debug
Revamp error handling (#43) * revamp error handling * diligently return JSON always * nameString, not name0 * tweak log levels * remove unnecessary extending in `BridgeError.Narrow` * info => debug